What experimental results would indicate that the mutation lacIs is dominant to lacI+?
What will be an ideal response?
In lacIs / lacI+ partial diploids, the lac operon is in a repressed state in the presence of lactose.
Biology & Microbiology
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A type of isolating mechanism that leads to reproductive isolation after a hybrid zygote has formed is called a _____________ isolating mechanism.
A. hybridization B. postzygotic C. prezygotic D. adaptive E. differential
Biology & Microbiology
A major, genetically determined change in the antigenic character of a pathogen is called antigenic drift.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Which of the following is not a primate?
A) Lemurs B) Apes C) Monkeys D) All are primates.
Biology & Microbiology
Cattle egrets have a ________ relationship with African Cape buffaloes.
A. predator-prey B. parasitic C. competitive D. commensalistic
Biology & Microbiology